[linux-audio-user] Re: linux-audio-user Digest, Vol 33, Issue 34

[Derry Fitzgerald]

On Wednesday 14 June 2006 12:15, linux-audio-user-request at music.columbia.edu 
wrote:

> Message: 8
> Date: Wed, 14 Jun 2006 13:15:46 +0200
> From: Ismael Valladolid Torres <ivalladolidt at terra.es>
> Subject: Re: [linux-audio-user] Remixing
> To: linux-audio-user at music.columbia.edu
> Message-ID: <20060614111546.GA2284 at spma33>
> Content-Type: text/plain; charset=us-ascii
>
> Jonty Needham escribe:
> > I understand (from Google) there is a method by which one samples the
> > track minus the vocals and then adds the inversion of that to the track
> > to kill the instruments.
>
> AFAIK you can do left channel minus right channel so you're killing
> whatever it's in the middle of the stereo field, which usually are
> vocals. This work for karaoke. But I don't know a way to kill
> everything except the middle of the stereo field, and I don't think
> it's posible.
>
> (Being able to isolate something in a precise point of the stereo
> field would be the Holy Grail of audio production if it was posible!)
>
> Cordially, Ismael

Actually, it is possible to isolate something in a precise point of the stereo 
field, and separate it out - have a look at:

http://www.dmc.dit.ie/2002/research_ditme/dnbarry/adress.html

and check out the audio examples, they are worth a listen,

Derry

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